#218A8A#218A8A

#218A8A is a mid, moderate teal. Relative luminance 0.203; OKLCH L 57.8% C 0.090 H 194.9°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#218A8A
RGB	rgb(33, 138, 138)
HSL	hsl(180, 61%, 34%)
HSV	hsv(180, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 0%, 45.9%)
CIE-LAB	lab(52.21, -28.08, -8.37)
CIE-LCH	lch(52.21, 29.30, 196.60°)
OKLab	oklab(57.75% -0.0872 -0.0233)
OKLCH	oklch(57.75% 0.09 194.9)
XYZ	xyz(14.3010, 20.3335, 27.2109)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A8A #8A2121

analogous

#218A55 #218A8A #21558A

triadic

#218A8A #8A218A #8A8A21

tetradic

#218A8A #55218A #8A2121 #558A21

square

#218A8A #55218A #8A2121 #558A21

split-complementary

#218A8A #8A2155 #8A5521

monochromatic

#092727 #155959 #218A8A #2DBBBB #50D5D5

Accessibility & contrast

On white

4.14

#218A8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#218A8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A8A

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A8A	#FFFFFF	#000000	##000000
##218A8A	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81838A

Deuteranopia (green-blind)

#71788B

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #218a8a;
/* rgb */ color: rgb(33, 138, 138);
/* oklch */ color: oklch(57.8% 0.090 194.9);

Tailwind

colors: {
  custom: {
    50: '#70acac',
    500: '#218a8a',
    950: '#000000',
  },
}

SCSS

$custom: #218a8a;
$custom-light: #70acac;
$custom-dark: #000000;

JSON

{
  "hex": "#218a8a",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 138
  },
  "hsl": {
    "h": 180,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57752,
    "c": 0.09028,
    "h": 194.9
  },
  "luminance": 0.20335
}

Semantic roles & 50–950 ramp

primary

#218A8A

secondary

#B94E4E

accent

#4343E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218A8A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →